A6 Sedan V6-3.2L (BKH) (2007)
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Switch the ignition on.
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Using a Multimeter, check the Transmission Control Module (TCM) (J217) electrical harness connector terminal T20d/9 and terminal T20d/10 to
Ground (GND) for voltage.
Specified value: battery voltage.
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Switch the ignition off.
If the specified value was not obtained:
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Check the wiring from the Transmission Control Module (TCM) (J217) electrical harness connector terminals T20d/9 and T20d/10 for an open
circuit or a short circuit.
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If necessary, repair the faulty wiring connection.
If the specified value was obtained:
Checking Ground (GND)
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Using a Multimeter, check the Transmission Control Module (TCM) (J217) electrical harness connector terminal T20d/8 to Ground (GND) for
resistance.
Specified value: 1.5 ohms max.
If the specification was not obtained:
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Check the wiring for a an open circuit.
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If necessary, repair the faulty wiring connection.
If no malfunction is found in the wiring:
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Replace the Transmission Control Module (TCM) (J217). Refer to => [ Transmission Control Module, Replacing ] See: Service and Repair.
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Assembly is performed in the reverse of the removal.
Final procedures
1. Check the DTC memory. Refer to => [ Diagnostic Mode 03 - Read DTC Memory ] See: Powertrain Management/Computers and Control
Systems/Testing and Inspection/Scan Tool Testing and Procedures/Diagnostic Modes 01 - 09/Diagnostic Mode 03 - Read DTC Memory.
2. If necessary, erase DTC memory of the Transmission Control Module (TCM) (J217). => [ Diagnostic Mode 04 - Erase DTC Memory ] See:
Powertrain Management/Computers and Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/Diagnostic Modes 01 -
09/Diagnostic Mode 04 - Erase DTC Memory.
3. Generate readiness code. => [ Readiness Code ] See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Monitors,
Trips, Drive Cycles and Readiness Codes/Readiness Code.
End diagnosis.